(https://lh4.googleusercontent.com/-u-_zswn1PwU/TneURwHh-QI/AAAAAAAAD60/3DtYaeVTCsk/s720/BILD1854.jpg)
Really nice plant !
vandesel1962
Very nice plant!
I think your plant was mixed myriostigma gene in history because of thornless.
If it was so, the name should be hakujo hakuun banjyaku.
Banjyaku is the name of hybrid, ornatum x myriostigma.